
The age of space, explosive planets and black hole portals
18/12/2025 | 27 mins.
How much can a black hole consume? Would anything happen if we all jumped at once? And which planet would have the best gigs?Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about space!

Disappearing poos, capsaicin receptors and cane toads
11/12/2025 | 40 mins.
What muscles are required for a yawn? How does jewellery affect our skin? And what's the connection between atoms and physical pain?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.Â

The speed of darkness, sticky spider webs and drinking snow
04/12/2025 | 38 mins.
How far into space could we hear the Js? What actually causes 'the runs'? And is drinking snow hydrating?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.Â

Hair loss, bone density and body glitter vs. sunscreen
27/11/2025 | 38 mins.
Can you taste with just a sense of smell? Is it possible for your immune system to reset? And what causes period shits?Dr Karl and Dr Theresa Larkin answer these questions and more on triple j Mornings with Lucy Smith.Â

Hair of the dog, photographic memories and shingles
20/11/2025 | 40 mins.
Where does all our energy go when we die? Why do humans laugh? And is rain water or tap water better for plant growth?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.Â



Dr Karl Podcast